LinuxQuestions.org
LinuxAnswers - the LQ Linux tutorial section.
Go Back   LinuxQuestions.org > Blogs
User Name
Password

Notices


Old

PostgreSQL - installation/configuration/benchmarking - on Dell servers Part II

Posted 03-27-2009 at 08:02 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 10-27-2009 at 06:44 PM by rocket357

(Continued from this blog post)

Now test the setup:

Code:
linux ~ # hdparm -tT /dev/sdc

/dev/sdc:
 Timing cached reads:   11464 MB in  2.00 seconds = 5739.66 MB/sec
 Timing buffered disk reads:  1816 MB in  3.00 seconds = 604.39 MB/sec
Looks good. Now let's format the partition:

I like xfs. I use xfs. You might not...so run "man mkfs.<your_favorite_filesystem>" to read up on how to convert...
Member
Views 3851 Comments 0 rocket357 is offline
Old

PostgreSQL - installation/configuration/benchmarking - on Dell servers

Posted 03-27-2009 at 07:20 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 12-31-2009 at 10:44 PM by rocket357

Dell has historically had a pretty low-end line of RAID cards (the PowerEdge Expandable RAID Controller, or PERC for short) that have required tons of time and care to get them operating at a reasonable level. This blog post will cover my experiences with the PERC6/E line of cards (which aren't that bad, especially compared to previous versions) and how to get optimal performance out of them on Dell 1950/2950 machines, as well as PostgreSQL general configuration.

DISCLAIMER: I don't...
Member
Views 3000 Comments 0 rocket357 is offline
Old

want to send mail to other terminal users

Posted 03-27-2009 at 03:27 PM by am_it_wild

FOR SENDING MAIL TO PERSONS WORKING ON OTHER TERMINAL ON THE SAME MACHINE.

1.Go to the terminal and type
$who
this will give you the list of users who are working on some other terminal

2.install package mailx and mailutils
$sudo apt-get install mailx
$sudo apt-get install mailutils

3.type on the terminal.
suppose there is a user on the terminal tty2 called amit
$mail amit
press enter
you will...
LQ Newbie
Posted in Uncategorized
Views 981 Comments 0 am_it_wild is offline
Old

setting grub menu password

Posted 03-27-2009 at 03:13 PM by am_it_wild

How to set grub menu password so that no one can change your password through recovery mode option in an ubuntu.it is very important for security reasons. i am going to show you how it can be done.The steps are given below to set grub menu password in an ubuntu.

1.first gain the root privilages by typing
$sudo su
you will be asked for password give it

2.By default root doesn't have a password ,so first set the root password by going to the termina...
LQ Newbie
Posted in Uncategorized
Views 926 Comments 0 am_it_wild is offline
Old

Installing Axesstel MV100 series USB CDMA Modem

Posted 03-27-2009 at 01:59 PM by hurry_hui
Updated 03-27-2009 at 02:00 PM by hurry_hui

The title will give you hint about what I am going to write. I have been searching the web for long to make my modem usable under Linux. Based on reading on similar cases, I try to 'installing' the driver to use the modem as follows:

Having connected the cable to USB port, at Konsole and typing
Code:
dmesg
I got:
Code:
[  246.397140] usb 1-2: new full speed USB device using uhci_hcd and address 2
[  246.549808] usb 1-2: configuration #1 chosen from
...
Member
Posted in Networking
Views 5344 Comments 0 hurry_hui is offline

  



All times are GMT -5. The time now is 01:47 AM.

Main Menu
Advertisement
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration